AI agents call discord_get_membership_screening to retrieve information from Discord without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves membership screening information for a Discord server. 'Fetch' and 'get' are unambiguous indicators of read-only operations that query data without creating, modifying, or deleting anything. The low severity reflects that membership screening data is typically informational metadata about server configuration, not sensitive user data or system-critical information, making misuse low-impact.
From the tool's definition Tool name contains 'get' and description states 'Fetch the server', both indicating a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Fetch the server. It is categorised as a Read tool in the Discord MCP Server, which means it retrieves data without modifying state.
Register the Discord MCP server in PolicyLayer and add a rule for discord_get_membership_screening: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Discord. Nothing to install.
discord_get_membership_screening is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the discord_get_membership_screening rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for discord_get_membership_screening. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
discord_get_membership_screening is provided by the Discord MCP server (@pasympa/discord-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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